Question

Вычислите дроби 4/20+11/20+1/6 1/4+4/7+9/28

Answer 1

$\frac{4}{20}+ \frac{11}{20}+\frac{1}{6} = \frac{12}{60}+\frac{33}{60}+ \frac{10}{60}= \frac{55}{60}= \frac{11}{12}$